Fog in Le Mans, Sarthe

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average).

Measured at Le Mans-Arnage Airport (LFRM). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFRMLe Mans-Arnage Airport90 h/yrclimatology

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Le Mans, Sarthe fogs in

Fog here concentrates in December and November — about 90 hours in a typical year at LFRM, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFRM station page.

Fog season

January: ~13 hJanFebruary: ~12 hFebMarch: ~3 hMarApril: ~2 hAprMay: ~1 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~3 hSepOctober: ~11 hOctNovember: ~20 hNovDecember: ~25 hDec
Fog season runs October through February, peaking in December; fog is mostly a 2 AM–11 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 2 hours once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.